Run the command or application in the Security context of specified user

Complete C# Program
-------------------

using System;
using System.Text;
using System.Reflection;
using System.Diagnostics;
using System.Globalization;
using System.Runtime.Remoting;
using System.Security.Principal;
using System.Text.RegularExpressions;
using System.Windows.Forms;
using System.Threading;
using System.IO;

namespace Target_Process
{
    class Program
    {             
        static void Main(string[] args)
        {
            try
            {                
                CreateProcessWithLoadProfile("Password","Command or Application Path","Arguments");             
            }
            catch (Exception ex)
            {
                MessageBox.Show("Exception: " + ex);
            }
        }

        private static void CreateProcessWithLoadProfile(
            string password,
            string commandPath,
            string commandArguments)
        {
            Process MyProcess = new Process();
            MyProcess.StartInfo.FileName = "cmd.exe";
            MyProcess.StartInfo.Arguments = " /c " + commandPath + "  " + commandArguments;
            MyProcess.StartInfo.UseShellExecute = false;
            MyProcess.StartInfo.CreateNoWindow = true;
            MyProcess.StartInfo.LoadUserProfile = true;            
            MyProcess.StartInfo.RedirectStandardOutput = true;
            MyProcess.StartInfo.RedirectStandardError = true;
            MyProcess.StartInfo.RedirectStandardInput = true;

            // Set our event handler to asynchronously read the sort output.
            MyProcess.OutputDataReceived += new DataReceivedEventHandler(ProcessOutputHandler);
            MyProcess.ErrorDataReceived += new DataReceivedEventHandler(ProcessErrorHandler);
           
            // get the domain and user name parts of the current
            // windows identity
            Match identity_match = Regex.Match(
                WindowsIdentity.GetCurrent().Name,
                @"^([^\\]+)\\(.+)$");
            // domain name
            string dn = identity_match.Groups[1].Value;
            // user name
            string un = identity_match.Groups[2].Value;

            // only set the domain if it is an actual domain and
            // not the name of the local machine, i.e. a local account
            // invoking sudo
            if (!Regex.IsMatch(dn,
                Environment.MachineName, RegexOptions.IgnoreCase))
            {
                MyProcess.StartInfo.Domain = dn;
            }

            MyProcess.StartInfo.UserName = un;

            // transform the plain-text password into a
            // SecureString so that the ProcessStartInfo class
            // can use it	
            MyProcess.StartInfo.Password = new System.Security.SecureString();
            for (int x = 0; x < password.Length; ++x)
                MyProcess.StartInfo.Password.AppendChar(password[x]);

            try
            {
                MyProcess.Start();
            }
            catch (Exception e)
            {
                throw new Exception(null, e);
            }            
            // Start the asynchronous read of the sort output stream.
            MyProcess.BeginOutputReadLine();
            MyProcess.BeginErrorReadLine();                                
            MyProcess.WaitForExit();            
            MyProcess.Close();
           
        }

        private static void ProcessOutputHandler(object sendingProcess,
           DataReceivedEventArgs outLine)
        {            
            if (!String.IsNullOrEmpty(outLine.Data))                                       
                Console.WriteLine(outLine.Data);                        
        }

        private static void ProcessErrorHandler(object sendingProcess,
          DataReceivedEventArgs outLine)
        {         
            if (!String.IsNullOrEmpty(outLine.Data))
                Console.WriteLine(outLine.Data);                            
        }
    }
}

Regards,
Megha